Heard Island Moraine and Till Observations from 1987 Antarctic Expedition

Observational data on moraines and glacial sediments from three glaciers on Heard Island, collected during the Australian National Antarctic Research Expeditions (ANARE) Voyage 6 in 1987. The data likely describes features of moraine formation, sediment types, and glacial erosion processes in a dry, heavily glaciated area. The dataset is provided by the Australian Antarctic Data Centre (AU_AADC) and originates from ASAC Project 385.

Use Cases

• Modeling glacial erosion and debris transport patterns based on observations of basal movement and up-transport.
• Classifying moraine sediment types based on described features like waterlaid deposits, debris flows, and flow till.
• Analyzing the relationship between glacier gradient transitions and moraine formation as indicated in the description.
• Comparing supraglacial debris sources such as rockfalls and wind transport in moraine composition studies.

Strengths

• Data is sourced from a documented scientific expedition (ANARE Voyage 6, 1987).
• Observations are focused on a specific geographic region (Heard Island) and three glaciers.
• The description provides specific geological concepts like basal till, supraglacial debris, and flow till.

Limitations

• Last updated 1987-02-19 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Australian Antarctic Data Centre (AU_AADC), ASAC Project 385.

Collection Method

Field observations made during the Australian National Antarctic Research Expeditions (ANARE) Voyage 6.

Time Range

1987

Freshness

1987-02-19 23:59:59.999000

Geography

Heard Island, specifically three glaciers in the north-western part.